package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@Slf4j
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类

     */
    @PostMapping
    public R<String> save(@RequestBody Category category){

        log.info("category：{}",category);

        categoryService.save(category);

        return R.success("新增分类成功");
    }


    @GetMapping("/page")
    public R<Page> page(int page, int pageSize){
        //构造分页构造器
        Page<Category> pageInfo = new Page<>(page,pageSize);
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper();
        //根据Sort排序
        queryWrapper.orderByAsc(Category::getSort);
        //分页查询
        categoryService.page(pageInfo,queryWrapper);

        return R.success(pageInfo);


    }

    @DeleteMapping
    public R<String> delete(Long id){
        log.info("删除分类,id为:{}",id);
        //categoryService.removeById(id);
        categoryService.remove(id);


        return R.success("删除分类成功");
    }


    @PutMapping
    public R<String> update(@RequestBody Category category){
        log.info("修改分类:{}",category);

        categoryService.updateById(category);

        return R.success("修改分类信息成功");
    }


    /**
     * 根据条件分类查询数据
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper();
        queryWrapper.eq(category.getType() != null,Category::getType,category.getType());
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getCreateTime);
        List<Category> list = categoryService.list(queryWrapper);

        return R.success(list);
    }


}
